A made in USA solar charger for small to medium remote pastures, with three years of lightning cover.
Amazon $259.99
A rugged, efficient battery charger for remote pastures and predator control, with a long lightning covered warranty.
- 3.1 JOutput
- 30 milesRated fence
- BatteryPower
- 13.5 kVPeak voltage
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Up to three months between battery charges, per Parmak
- Built in meter shows both fence and battery condition
- Three year warranty that covers lightning damage
- Weatherproof case can sit outdoors at the fence
- Battery not included
- Parmak does not say what load its joule rating is measured into
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | MAG12-UO |
|---|---|
| Output | |
| Power | Battery |
| Output energy | 3.1 J |
| Rated fence length | 30 miles |
| Peak voltage | 13.5 kV |
| Low impedance | Yes |
| Build | |
| Battery | 12 V |
| Lightning cover | Yes |
| Warranty | 3 years |
Alternatives in this power source
A powerful battery charger for large remote pastures and rotational grazing, ready for a solar panel when you add one.
Amazon $195For ranchers who want one powerful charger that can move between a barn outlet and a battery at a remote pasture.
Amazon $570Compare
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